using GPW.Data;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using NLog;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;

namespace GPW.Api.Data
{
    public class GpwDataService : IDisposable
    {
        #region Private Fields

        private static IConfiguration _configuration;
        private static ILogger<GpwDataService> _logger;

        private static NLog.Logger Log = LogManager.GetCurrentClassLogger();

        #endregion Private Fields

        #region Public Fields

        public static GPW.Data.Controllers.DbController dbController;

        #endregion Public Fields

        #region Public Constructors

        public GpwDataService(IConfiguration configuration, ILogger<GpwDataService> logger)
        {
            _logger = logger;
            _configuration = configuration;
            // conf DB
            string connStrDB = _configuration.GetConnectionString("Gpw.DB");
            if (string.IsNullOrEmpty(connStrDB))
            {
                _logger.LogError("ConnString empty!");
            }
            else
            {
                dbController = new GPW.Data.Controllers.DbController(configuration);
                _logger.LogInformation("DbController OK");
            }
        }

        #endregion Public Constructors

        #region Public Methods

        public async Task<List<GPW.Data.DBModels.CheckVc19>> ChecksGetByDip(int idxDip)
        {
            DateTime dtFine = DateTime.Today.AddDays(1);
            List<GPW.Data.DBModels.CheckVc19> dbResult = new List<GPW.Data.DBModels.CheckVc19>();
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            dbResult = dbController.GetChecksVC19Filt(idxDip, dtFine.AddMonths(-1), dtFine);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per ChecksGetByDip: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        public async Task<List<GPW.Data.DBModels.CheckVc19>> ChecksGetLast(int numRecord)
        {
            List<GPW.Data.DBModels.CheckVc19> dbResult = new List<GPW.Data.DBModels.CheckVc19>();
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            dbResult = dbController.GetChecksVC19(numRecord);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata lettura da DB per ChecksGetLast: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(dbResult);
        }

        public void Dispose()
        {
            // Clear database controller
            dbController.Dispose();
        }

        public async Task<bool> InsertCheck(DCCDecode updItem, string clientIp)
        {
            bool done = false;
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            done = dbController.InsertCheck(updItem, clientIp);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata operazione InsertCheck: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(done);
        }

        public async Task<bool> InsertManual(int idxDip, string clientIp)
        {
            bool done = false;
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            done = dbController.InsertManual(idxDip, clientIp);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            Log.Trace($"Effettuata operazione InsertManual: {ts.TotalMilliseconds} ms");

            return await Task.FromResult(done);
        }

        #endregion Public Methods
    }
}